HASSEMER, GUSTAVO, Universidade Federal do Mato Grosso do Sul, Câmpus de Três Lagoas, CEP 79613-000, Três Lagoas, MS, Brazil, Brazil

• Phytotaxa Vol. 490 No. 1: 10 March 2021 - Article
  

  Novelties in Persicaria (Polygonaceae): description of a narrowly endemic new species from southern Brazil, and typification of the name Polygonum minus

  
  Abstract
• Phytotaxa Vol. 496 No. 3: 14 April 2021 - Article
  Two new species of Margyricarpus (Rosaceae, Sanguisorbeae) from high-elevation grasslands in southern Brazil, and other notes on the genus Margyricarpus
  Abstract
• Phytotaxa Vol. 520 No. 3: 21 September 2021 - Article
  

  Ludwigia irregularis (Onagraceae) a rare new species from southern Brazil, and typification of the morphologically similar L. myrtifolia

  
  Abstract